Reddit users took to the popular message board to offer updates on the case. As of 11:52 a.m. local time, it didn't appear as if police had encountered any shooters and were in the process of searching the building.

Twitter user Vanina Orezzoli tweeted this picture of employees barricaded in the office with the caption "Shooter on Target campus. We went from watching fun Disney movies to hiding in a barricaded office."